02557+4216 ES 1508

 
 
02h 55m 40.29s +42 15' 13.3" P.A. 56 sep 3.6 mag 10.60,10.80
 
 
Coord 2000
02557+4216
Discov num
ES 1508
Comp
Coord arcsec 2000
02 55 40.29 +42 15 13.3
Date first
1893
Date last
2011
Obs
8
Pa first
59
Pa last
56
P.A. Now (θ)
56°
Sep first
3.0
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
10.60
Mag sec
10.80
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-023
Sec motion ra
+007
Pri motion dec
-012
Sec motion dec
+008
Notes
rPM=1.39
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
56.3
Precise sep
3.57
Constellation
Perseus
last precise pa
56.3
last precise sep
3.57
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02557+4216 ES 1508 2000 6 60 3.5 10.60 10.80 D 025540.43+421514.2
02557+4216 ES 1508 2011 7 56 3.5 10.60 10.80 D 025540.43+421514.2

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